GPT-5.5 Pro (xhigh)
GPT-5.5 Pro (xhigh) is developed by OpenAI, released 2026-04-23.
Input price
$0.00 / 1M tok
Output price
$0.00 / 1M tok
Blended price
$0.00 / 1M tok
Intelligence
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Coding
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Math
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Speed
0 tok/s
Time to first token
0.00s
Official pricing from OpenAI. Multi-gateway price comparison
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